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Finding the Fourth Proportional to 235,463.72, 324,941.46 and 128,034.92

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Solution

The fourth proportional to 235,463.72, 324,941.46 and 128,034.92 is: 176,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,463.72 : 324,941.46 = 128,034.92 : x
  2. Step 2: Convert to fraction form
    235,463.72/324,941.46 = 128,034.92/x
  3. Step 3: Cross multiply
    235,463.72x = 324,941.46 × 128,034.92
  4. Step 4: Simplify right side
    235,463.72x = 41,603,853,835.78
  5. Step 5: Solve for x
    x = 41,603,853,835.78/235,463.72
  6. Step 6: Final answer
    x = 176,689.02

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